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Pitch Selection

Macomb Marine Parts and Accessories primary objective is to achieve the best performance from your boat. Macomb Marine Parts and Accessories recognizes Piranha Propellers "Blade Exchange Program". This program allows you to test and exchange undamaged blades until you are satisfied with the performance of the product. Please click here to exchange your blades.

If you are happy with the performance of your current aluminum propeller, order the same pitch in the Piranha.

If you are looking to gain speed, or lower your RPMs, increase your pitch. Every two inches higher in pitch will increase speed 3-5 mph, and decrease the RPMs by approximately 400.

If you are looking to gain hole shot, or increase your RPMs, decrease your pitch. Every two inches in pitch lower will cause you to gain approximately 400 RPMs.

If you are switching from a three blade to a four blade, drop one inch in pitch to compensate for the RPM change.

If you are switching from a four to a three blade, increase one inch in pitch.

If you have any questions about selecting the correct pitch, e-mail us and we will help determine what you need.

Exchanges

Macomb Marine Parts and Accessories offers Piranhas factory backed exchange policy. Any product can be exchanged for another product or equal or lesser value, provided that the product is not damaged, and the exchange is requested within 60 days of the original purchase. This policy allows you to try multiple pitches, and determine which works best. Shipping charges not included.

Returns

Macomb Marine Parts and Accessories offers Piranhas return policy; any undamaged product can be returned within 30 days for a full refund, less shipping charges.